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Gentoo's Bugzilla – Attachment 215997 Details for
Bug 264130
PMS should require that file mtimes are preserved on merge
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[patch]
Patch rebased against current PMS master
0001-Preserve-modification-times-of-regular-files-in-EAPI.patch (text/plain), 3.11 KB, created by
Ulrich Müller
on 2010-01-10 16:56:02 UTC
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Description:
Patch rebased against current PMS master
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Creator:
Ulrich Müller
Created:
2010-01-10 16:56:02 UTC
Size:
3.11 KB
patch
obsolete
>From 6fbb5cf081a89d61786af02fa210cd1097eae13f Mon Sep 17 00:00:00 2001 >From: Ulrich Mueller <ulm@gentoo.org> >Date: Mon, 14 Dec 2009 19:36:42 +0100 >Subject: [PATCH] Preserve modification times of regular files in EAPI 3. > >See bug 264130 and council meetings of 2009-10-12 and 2009-12-07. > >Signed-off-by: Ulrich Mueller <ulm@gentoo.org> >--- > eapi-differences.tex | 4 ++++ > merge.tex | 43 +++++++++++++++++++++++++++++++++++++++++-- > 2 files changed, 45 insertions(+), 2 deletions(-) > >diff --git a/eapi-differences.tex b/eapi-differences.tex >index f3b63c7..179d9f7 100644 >--- a/eapi-differences.tex >+++ b/eapi-differences.tex >@@ -142,6 +142,9 @@ Controllable compression & \compactfeatureref{controllable-compress} & > \t{default} function & \compactfeatureref{default-func} & > No & No & Yes & Yes & Yes \\ > >+File mtimes preserved & \compactfeatureref{mtime-preserve} & >+ Undefined & Undefined & Undefined & Yes & Yes \\ >+ > \end{longtable} > \end{landscape} > >@@ -184,6 +187,7 @@ EAPI 2 is EAPI 1 with the following changes: > > EAPI 3 is EAPI 2 with the following changes: > \begin{compactitem} >+\item File modification times are preserved, \featureref{mtime-preserve}. > \item (to be completed) > \end{compactitem} > >diff --git a/merge.tex b/merge.tex >index 91db3fb..e798f2d 100644 >--- a/merge.tex >+++ b/merge.tex >@@ -60,8 +60,47 @@ as follows: > set*id bit set. > \end{compactitem} > >-On SELinux systems, the SELinux context must also be preserved. Other file attributes, including >-modification time, may be discarded. >+On SELinux systems, the SELinux context must also be preserved. Other >+file attributes may be discarded. >+ >+\subsection{File modification times} >+ >+\featurelabel{mtime-preserve} >+In EAPIs listed in table~\ref{tab:mtime-preserve}, the package manager >+must preserve modification times of regular files. This includes files >+being compressed before merging. Exceptions to this are files newly >+created by the package manager and binary object files being stripped >+of symbols. >+ >+When preserving, the seconds part of every regular file's mtime must >+be preserved exactly. The sub-second part must either be set to zero, >+or set to the greatest value supported by the operating system and >+filesystem that is not greater than the sub-second part of the >+original time. >+ >+For any given destination filesystem, the package manager must ensure >+that for any two preserved files $a$, $b$ in that filesystem the >+relation $\mbox{mtime}(a) \leq \mbox{mtime}(b)$ still holds, if it >+held under the original image directory. >+ >+In other EAPIs, the behaviour with respect to file modification times >+is undefined. >+ >+\begin{centertable}{Preservation of file modification times (mtimes)} >+ \label{tab:mtime-preserve} >+ \begin{tabular}{ l l } >+ \toprule >+ \multicolumn{1}{c}{\textbf{EAPI}} & >+ \multicolumn{1}{c}{\textbf{mtimes preserved?}} \\ >+ \midrule >+ \t{0} & Undefined \\ >+ \t{1} & Undefined \\ >+ \t{2} & Undefined \\ >+ \t{3} & Yes \\ >+ \t{4} & Yes \\ >+ \bottomrule >+ \end{tabular} >+\end{centertable} > > \subsection{Configuration File Protection} > \label{sec:config-protect} >-- >1.6.6 >
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bug 264130
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206929
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212928
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212930
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213015
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